
Electrical principles
Quiz by Abed Suwissat
Feel free to use or edit a copy
includes Teacher and Student dashboards
Measure skillsfrom any curriculum
Measure skills
from any curriculum
Tag the questions with any skills you have. Your dashboard will track each student's mastery of each skill.
With a free account, teachers can
- edit the questions
- save a copy for later
- start a class game
- automatically assign follow-up activities based on students’ scores
- assign as homework
- share a link with colleagues
- print as a bubble sheet
16 questions
Show answers
- Q1What is the SI unit of electric current?AmpereOhmVoltCoulomb30s
- Q2What is the formula for calculating electric power?Power = Voltage x CurrentPower = Resistance / CurrentPower = Current² x ResistancePower = Voltage / Resistance30s
- Q3What is the purpose of a ground wire in an electrical circuit?To provide a safe path for electrical current to flow to the groundTo store electrical energyTo control the flow of current in a circuitTo increase the voltage in a circuit30s
- Q4What is the unit of electrical resistance?CoulombAmpereOhmVolt30s
- Q5What is Ohm's law?The relationship between voltage, current, and resistance in an electrical circuitThe measure of capacitance in a circuitThe measure of charge stored in a capacitorThe measure of electrical power in a circuit30s
- Q6What is the purpose of a circuit breaker in an electrical circuit?To protect the circuit from excessive currentTo increase the voltage in a circuitTo control the flow of current in a circuitTo store electrical energy30s
- Q7Which of the following statements about DC current is true?It flows in one direction only.It flows in both directions.It flows randomly.It flows in any direction.30s
- Q8What is the unit of measurement for DC current?OhmsVoltsWattsAmperes30s
- Q9What is the symbol used to represent DC current in circuit diagrams?VAIC30s
- Q10What is the main difference between DC current and AC current?DC current changes amplitude periodically.AC current flows in one direction only.AC current changes direction periodically.DC current flows in both directions.30s
- Q11Which of the following statements accurately describes the behavior of DC current in a circuit?It constantly changes magnitude but maintains a constant direction.It changes both magnitude and direction periodically.It maintains a constant magnitude and direction.It constantly changes direction but maintains a constant magnitude.30s
- Q12What is the device used to measure DC current?OhmmeterVoltmeterAmmeterWattmeter30s
- Q13What is the disadvantage of DC current compared to AC current for long-distance transmission?DC current requires larger conductors.DC current experiences greater power losses.DC current is more expensive to generate.DC current is more dangerous to work with.30s
- Q14What is the key characteristic of DC current?Its voltage is higher than AC current.Its voltage varies periodically.Its voltage depends on the resistance of the circuit.Its voltage remains constant over time.30s
- Q15What is AC current?Direct currentBattery currentStatic currentAlternating current30s